Watford Football Club is a football club based in Watford, Hertfordshire, England, that plays in the Premier League, the highest level of English football. Founded in 1881 as Watford Rovers, the club entered the FA Cup for the first time in 1886, and the Southern League a decade later.

The 2016–17 season will be Watford's 136th year in existence and second consecutive season in the Premier League. Watford will also participate in the FA Cup and League Cup. The season covers the period from 1 July 2016 to 30 June 2017. Walter Mazzarri will take over as manager following the departure of Quique Flores.